<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <div id="root">
    <span>{{msg}}</span>
  </div>
  <script src="../js/vue.js" type="text/javascript">
    new Vue({
      el: '#root',
      data() {
        return {
          msg: '你好！ VUE'
        }
      }
    })
  </script>

</body>

</html>